210220102220220 has 48 divisors (see below), whose sum is σ = 654018095797920. Its totient is φ = 56058693925248.

The previous prime is 210220102220203. The next prime is 210220102220267. The reversal of 210220102220220 is 22022201022012.

210220102220220 is a `hidden beast` number, since 2 + 1 + 0 + 220 + 1 + 0 + 2 + 220 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 210220102220193 and 210220102220202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194648242257 + ... + 194648243336.

It is an arithmetic number, because the mean of its divisors is an integer number (13625376995790).

Almost surely, 2^{210220102220220} is an apocalyptic number.

210220102220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210220102220220 is an abundant number, since it is smaller than the sum of its proper divisors (443797993577700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210220102220220 is a wasteful number, since it uses less digits than its factorization.

210220102220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389296485611 (or 389296485603 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 210220102220220 its reverse (22022201022012), we get a palindrome (232242303242232).

The spelling of 210220102220220 in words is "two hundred ten trillion, two hundred twenty billion, one hundred two million, two hundred twenty thousand, two hundred twenty".